- A
Grant control: Require multifactor authentication
Why wrong: Grant control enforces MFA at initial sign-in, but does not control how often users are prompted to reauthenticate during an active session.
- B
Session control: Sign-in frequency
Sign-in frequency as a session control forces users to reauthenticate after a specified time period, ensuring MFA is revalidated if the session exceeds 60 minutes.
- C
Session control: Application enforced restrictions
Why wrong: Application enforced restrictions is used to require the application to enforce device compliance, not to control MFA reauthentication frequency.
- D
Grant control: Require device to be marked as compliant
Why wrong: Requiring device compliance is a grant control for initial access, not for prompting reauthentication during a session.
SC-900 Describe the capabilities of Microsoft Entra Practice Question
This SC-900 practice question tests your understanding of describe the capabilities of microsoft entra. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses Microsoft Entra ID. They have a critical application that requires additional security. The security team wants to enforce multifactor authentication (MFA) for every access to the application, but they also want users to reauthenticate with MFA if a session lasts longer than 60 minutes, regardless of device compliance. Which Conditional Access control should the administrator configure?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Session control: Sign-in frequency
The requirement to force reauthentication with MFA after a specific time period (60 minutes) is a session-level control, not a grant control. The 'Sign-in frequency' session control in Conditional Access allows administrators to define how often a user must reauthenticate, including re-prompting for MFA, regardless of device compliance. This directly meets the scenario's need for a time-based reauthentication policy.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Grant control: Require multifactor authentication
Why it's wrong here
Grant control enforces MFA at initial sign-in, but does not control how often users are prompted to reauthenticate during an active session.
- ✓
Session control: Sign-in frequency
Why this is correct
Sign-in frequency as a session control forces users to reauthenticate after a specified time period, ensuring MFA is revalidated if the session exceeds 60 minutes.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Session control: Application enforced restrictions
Why it's wrong here
Application enforced restrictions is used to require the application to enforce device compliance, not to control MFA reauthentication frequency.
- ✗
Grant control: Require device to be marked as compliant
Why it's wrong here
Requiring device compliance is a grant control for initial access, not for prompting reauthentication during a session.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'Grant controls' (which enforce conditions at sign-in) with 'Session controls' (which manage behavior after sign-in), leading them to select 'Require multifactor authentication' instead of 'Sign-in frequency' for time-based reauthentication.
Detailed technical explanation
How to think about this question
The 'Sign-in frequency' session control works by setting a time window (in hours or days) after which the user's primary refresh token (PRT) is invalidated, forcing a fresh authentication request. This is enforced at the token issuance layer via the Microsoft Authentication Library (MSAL) and can be configured to re-prompt for MFA even if the device is compliant, as the policy overrides the token's lifetime. In real-world scenarios, this is critical for high-security apps where session hijacking risk increases over time, such as financial or healthcare portals.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft Entra — This question tests Describe the capabilities of Microsoft Entra — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Session control: Sign-in frequency — The requirement to force reauthentication with MFA after a specific time period (60 minutes) is a session-level control, not a grant control. The 'Sign-in frequency' session control in Conditional Access allows administrators to define how often a user must reauthenticate, including re-prompting for MFA, regardless of device compliance. This directly meets the scenario's need for a time-based reauthentication policy.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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